Diff Report
Run #519ead03a5283: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519eade6f30be: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #519ead03a5283Run #519eade6f30beDiffDiff%
Number of Function Calls101 101 0 0.0%
Incl. Wall Time (microsec)23,190 25,313 2,123 9.2%
Incl. Wall Time (microsec) per call 230 251 21 9.2%
Excl. Wall Time (microsec)1,702 1,840 138 8.1%
Incl. CPU (microsecs)19,169 19,559 390 2.0%
Incl. CPU (microsecs) per call 190 194 4 2.0%
Excl. CPU (microsec)1,574 1,701 127 8.1%
Incl. MemUse (bytes)1,940,280 1,937,472 -2,808 -0.1%
Incl. MemUse (bytes) per call 19,211 19,183 -28 -0.1%
Excl. MemUse (bytes)-300,040 -298,984 1,056 0.4%
Incl. PeakMemUse (bytes)1,978,704 1,974,064 -4,640 -0.2%
Incl. PeakMemUse (bytes) per call 19,591 19,545 -46 -0.2%
Excl. PeakMemUse (bytes)5,672 5,672 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Cache\DatabaseBackend::prepareItem [View Callgraph Diff]


Function NameCalls DiffCalls
Diff%		Incl. Wall
Diff
(microsec)		IWall
Diff%		Incl. CPU Diff
(microsec)		ICpu
Diff%		Incl.
MemUse
Diff
(bytes)		IMemUse
Diff%		Incl.
PeakMemUse
Diff
(bytes)		IPeakMemUse
Diff%
Current Function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 2,123 78.9% 390 32.3% -2,808 -0.9% -4,640 -1.6%
Exclusive Metrics Diff for Current Function138 6.5% 127 32.6% 1,056 37.6% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 2,123 100.0% 390 100.0% -2,808 -100.0% -4,640 -100.0%
Child functions
unserialize0 N/A% 1,114 52.5% -100 -25.6% -3,832 -136.5% -4,344 -93.6%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 840 39.6% 332 85.1% -24 -0.9% -296 -6.4%
explode0 N/A% 31 1.5% 31 7.9% -8 -0.3% 0 0.0%